PDF SEO Tools – Blog – SEO, PDF & Web Tool Guides

How to Use Fake Test Data Safely in Development

Use fake names, addresses and other test data in development without risking real personal data – practical rules and examples.

Test Credit Card Numbers Explained: Luhn Check and Safe Use

How test credit card numbers work, what the Luhn check does and how to use them safely in payment sandboxes – never for real purchases.

How to Find and Fix Broken Links on Your Website

Find broken links on your website, understand 404 and other errors, and fix them with redirects or updates to protect SEO and users.

How Search Engine Spiders See Your Page (and Why It Matters)

See your page the way Googlebot sees it: which text, links and tags crawlers read, what they skip and how that affects indexing.

How to Create a Strong Password You Can Actually Use

Create strong passwords you can remember: length vs complexity, passphrases, password managers and the common mistakes to avoid.

How to Reset a WordPress Password from phpMyAdmin

Locked out of WordPress? Reset the admin password from phpMyAdmin step by step, with the right hash format and safety checks.

How to Check Your Keyword Ranking Position on Google

Check where your page ranks on Google for several keywords by country, why results differ by device and location, and how to improve.

Keyword Density Explained: How Much Is Too Much?

What keyword density is, why there is no perfect percentage and how to use keywords naturally without stuffing or hurting rankings.

How to Check an SSL Certificate and Fix 'Not Secure'

Check if an SSL certificate is valid, who issued it and when it expires, and fix the browser's 'Not Secure' warning on your website.

How to Write Meta Title and Description Tags for SEO

Write meta titles and descriptions that rank and get clicks: ideal length, keyword placement, examples and mistakes to avoid.

How to Analyze Meta Tags of Any Web Page

Check the title, description, robots, viewport and og:type of any page, spot missing or duplicate tags and learn how to fix them.

How to Do Keyword Research for Free (Beginner Guide)

A beginner's guide to free keyword research: collect real search phrases, check what competitors target and pick long-tail keywords you can rank for.